Distinguish between atomic orbital and molecular orbital.

Distinguish between atomic orbital and molecular orbital.
by

1 Answer

Answer :

Ans An atomic orbital is monocentric while a molecular orbital is polycentric.
by

Related questions

Distinguish between bonding molecular orbital and anti-bonding molecular orbital.

Description : Distinguish between bonding molecular orbital and anti-bonding molecular orbital.

Last Answer : Ans.(i)The bonding molecular orbital has lower energy and hence greater stability than the corresponding antibonding molecular orbital. (ii) Just as the electron probability distribution around a ... formed by the subtraction of wave function of atomic orbital is called antibonding molecular orbital

What Molecular orbital interactions are not possible because the atomic orbitals have overlapping electron densities.?

Description : What Molecular orbital interactions are not possible because the atomic orbitals have overlapping electron densities.?

Last Answer : Need answer

What is a molecular orbital ?

Description : What is a molecular orbital ?

Last Answer : : The overlap of two orbitals creates a field with a normal density of electron clouds in the middle of the nucleus of the two atoms , called the molecular orbital. In this case the net gravitational force of both atoms is highest.

Give salient features of Molecular orbital theory

Description : Give salient features of Molecular orbital theory

Last Answer : Ans (i) The electrons in a molecule are present in the various molecular orbitals as the electrons of atoms are present in the various atomic orbitals. (ii) The atomic orbitals of comparable ... in accordance with the aufbau principle obeying the Pauli's exclusion principle and the Hund's rule.

Pyrrole is less basic than pyridine because the lone-pair of electrons on Natom in pyrrole (a) is part of the delocalized π molecular orbital. (b) is not part of the delocalized π molecular orbital. (c) resides in sp2 hybrid orbital (d) resides in sp hybrid orbital

Description : Pyrrole is less basic than pyridine because the lone-pair of electrons on Natom in pyrrole (a) is part of the delocalized π molecular orbital. (b) is not part of the delocalized π molecular orbital. (c) resides in sp2 hybrid orbital (d) resides in sp hybrid orbital

Last Answer : is part of the delocalized π molecular orbital.

Pyridine has a delocalized π molecular orbital containing (a) 4 electrons (b) 6 electrons (c) 8 electrons (d) 12 electrons

Description : Pyridine has a delocalized π molecular orbital containing (a) 4 electrons (b) 6 electrons (c) 8 electrons (d) 12 electrons

Last Answer : 6 electrons

The orientation of an atomic orbital is governed by – (1) principal quantum number (2) magnetic quantum number (3) spin quantum number (4) azimuthal quantum number

Description : The orientation of an atomic orbital is governed by – (1) principal quantum number (2) magnetic quantum number (3) spin quantum number (4) azimuthal quantum number

Last Answer : (2) magnetic quantum number Explanation: Quantum numbers may be defined as a set of four numbers which give complete information about the electron in an atom, i.e., energy, orbital occupied, size ... tells the number of orientations which the orbitals present within the same sub-shell can take up.

What is the maximum number of electrons that can occupy an s atomic orbital?

Description : What is the maximum number of electrons that can occupy an s atomic orbital?

Last Answer : ANSWER: 2

The orientation of an atomic orbital is governed by (1) principal quantum number (2) magnetic quantum number (3) spin quantum number (4) azimuthal quantum number

Description : The orientation of an atomic orbital is governed by (1) principal quantum number (2) magnetic quantum number (3) spin quantum number (4) azimuthal quantum number

Last Answer : magnetic quantum number

Which of the following statement is not correct from the point of view of molecular orbital ?

Description : Which of the following statement is not correct from the point of view of molecular orbital ?

Last Answer : Which of the following statement is not correct from the point of view of molecular orbital ? A. `Be_(2)` ... is `pi_(2px)=pi_(2py) lt sigma_(2pz)`

Orientation of atomic orbital is controlled by –

Description : Orientation of atomic orbital is controlled by –

Last Answer : Magnetic Quantum number

Orientation of atomic orbital is controlled by

Description : Orientation of atomic orbital is controlled by

Last Answer : Magnetic Quantum number

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia? (1) 18 (2) 17 (3) 16 (4) 15

Description : Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia? (1) 18 (2) 17 (3) 16 (4) 15

Last Answer : (2) 17 Explanation: Ammonia (NH3) is composed of one atom of Nitrogen and three Hydrogen atoms. This means that its molar mass of ammonia will be the sum of the molar mass of one nitrogen atom and three times the molar mass of a hydrogen atom.

The law of definite proportions is not applicable to nitrogen oxide because [EAMCET 1981] (A) Nitrogen’s atomic weight is not constant (B) Nitrogen’s molecular weight is variable (C) Nitrogen’s equivalent weight is variable (D) Oxygen’s atomic weight is variable

Description : The law of definite proportions is not applicable to nitrogen oxide because [EAMCET 1981] (A) Nitrogen’s atomic weight is not constant (B) Nitrogen’s molecular weight is variable (C) Nitrogen’s equivalent weight is variable (D) Oxygen’s atomic weight is variable

Last Answer : (C) Nitrogen’s equivalent weight is variable

Compounds of the same atomic content and molecular formula but with differing structures are called what?

Description : Compounds of the same atomic content and molecular formula but with differing structures are called what?

Last Answer : ANSWER: ISOMERS

Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Description : Solids may be considered to be either crystalline noncrystalline. The basic difference between them is that a crystal, in contrast to a noncrystal: w) has a sharp melting point x) has an irregular array of atoms y) exhibits double refraction z) has a completely regular atomic or molecular structure

Last Answer : ANSWER: Z -- HAS A COMPLETELY REGULAR ATOMIC OR MOLECULAR STRUCTURE

How can atomic numbers be used distinguish one element from another?

Description : How can atomic numbers be used distinguish one element from another?

Last Answer : they can distinguish one element from another becasue by theprotons and the nuetrons , they can over come almost anything.

surface tension is an atomic/molecular property of -Science

Description : surface tension is an atomic/molecular property of -Science

Last Answer : answer:

What is typically transferred during atomic and molecular collisions?

Description : What is typically transferred during atomic and molecular collisions?

Last Answer : Energy.

Biological organisation starts with (a) cellular level (b) organismic level (c) atomic level (d) submicroscopic molecular level.

Description : Biological organisation starts with (a) cellular level (b) organismic level (c) atomic level (d) submicroscopic molecular level.

Last Answer : (b) organismic level

The rate at which a chemical substance reacts is proportional to its (A) Active mass (B) Molecular weight (C) Equivalent weight (D) Atomic weigh

Description : The rate at which a chemical substance reacts is proportional to its (A) Active mass (B) Molecular weight (C) Equivalent weight (D) Atomic weigh

Last Answer : (A) Active mass

The sum of the mass numbers of the atoms in a molecule equals the ______, which is measured in units called _______. a. Atomic Number; Milligrams b. Mass Weight; Micrograms c. Chemical Weight; Moles d. Molecular Weight; Daltons

Description : The sum of the mass numbers of the atoms in a molecule equals the ______, which is measured in units called _______. a. Atomic Number; Milligrams b. Mass Weight; Micrograms c. Chemical Weight; Moles d. Molecular Weight; Daltons

Last Answer : d. Molecular Weight; Daltons

Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Description : Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Last Answer : Option A

Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Description : Hydrogen in liquid steels is dissolved (A) As tiny gas bubbles (B) In the atomic form (C) In the ionic form (D) In the molecular form

Last Answer : Option A

Molecular spectra is an example of a) continuous spectra b) discrete spectra c) band spectra d) atomic spectra

Description : Molecular spectra is an example of a) continuous spectra b) discrete spectra c) band spectra d) atomic spectra

Last Answer : c) band spectra

What is the molecular mass of a gas that effuses through a small hole at twice the rate as oxygen gas at the same temperature. (The molecular mass of O2 is 32.) w) 8.0 atomic mass units x) 16 atomic mass units y) 48 atomic mass units z) 64 atomic mass units

Description : What is the molecular mass of a gas that effuses through a small hole at twice the rate as oxygen gas at the same temperature. (The molecular mass of O2 is 32.) w) 8.0 atomic mass units x) 16 atomic mass units y) 48 atomic mass units z) 64 atomic mass units

Last Answer : ANSWER: W -- 8.0 ATOMIC MASS UNITS

Explain why [Co(NH3)6]3+ is an inner orbital complex whereas [Ni(NH3)6]2+ is an outer orbital complex. (At. no. Co = 27, Ni = 28) -Chemistry

Description : Explain why [Co(NH3)6]3+ is an inner orbital complex whereas [Ni(NH3)6]2+ is an outer orbital complex. (At. no. Co = 27, Ni = 28) -Chemistry

Last Answer : In [Co(NH3)6]3+, the d-electrons of Co3+ ([Ar]3d6 45°) get paired leaving behind two empty d-orbital and undergo d2sp3 hybridization and hence inner orbital complex, while in [Ni(NH3)6]2+ ... of Ni2+([Ar]3d8 45°) do not pair up and use outer 4d subshell hence outer orbital complex.

3f Why Orbital Impossible ?

Description : 3f Why Orbital Impossible ?

Last Answer : 3f orbital impossible. This is because in the case of 3f orbital, the value of prime quantum number will be n = 3 n = 3 and the value of auxiliary quantum number will be l = 0, 1, 2 . But we know that s , p and d orbitals are possible for auxiliary quantum numbers 0, 1, 2 . So 3f is impossible.

Orbital Hybrid and Hybrid Orbital What is it called ?

Description : Orbital Hybrid and Hybrid Orbital What is it called ?

Last Answer : The process of creating almost equivalent orbitals by mixing different types of orbitals of the valence level of an atom is called hybridization of orbitals and the resulting orbitals are called hybrid orbitals.

Two electrons in an orbital are differentiated by which of the following? (1) Magnetic quantum number (2) Spin quantum number (3) Principal quantum number (4) Azimuthal quantum number

Description : Two electrons in an orbital are differentiated by which of the following? (1) Magnetic quantum number (2) Spin quantum number (3) Principal quantum number (4) Azimuthal quantum number

Last Answer : (2) Spin quantum number Explanation: Spin quantum number is the is the fourth quantum number that differentiates two electrons in the same orbital. The Pauli exclusion principle states that "no two ... atom. Each electron must have a different spin or occupy a different shell from any other.

Electrons in the highest energy level of an atom are called _______. (1) valence protons (2) orbital protons (3) valence electrons (4) orbital electrons

Description : Electrons in the highest energy level of an atom are called _______. (1) valence protons (2) orbital protons (3) valence electrons (4) orbital electrons

Last Answer : (3) valence electrons Explanation: The outermost orbital shell of an atom is called its valence shell, and the electrons in the valence shell are valence electrons.

Out of p-orbital and sp hybrid orbital which has greater directional character and why ?

Description : Out of p-orbital and sp hybrid orbital which has greater directional character and why ?

Last Answer : Ans sp because lobes of p orbital have equal electron density whereas sp hybrid orbital has greater electron density on one side

How does covalent bond form in terms of orbital overlap concept?

Description : How does covalent bond form in terms of orbital overlap concept?

Last Answer : Ans. When two half filled orbitals overlap ,covalent bond forms .

Give Reason (i)N2 is inert at room temperature. (ii) Overlapping of S orbital with any other orbital forms sigma bonds.

Description : Give Reason (i)N2 is inert at room temperature. (ii) Overlapping of S orbital with any other orbital forms sigma bonds.

Last Answer : Ans .Due to high bond order (3) , it has high bond dissociation energy ,which is not possible at room temperature (ii)Because s orbital has same electron distribution in all axis/ directions

How many quantum numbers are needed to designate an orbital?

Description : How many quantum numbers are needed to designate an orbital?

Last Answer : Ans.Three quantum numbers.

Is the energy of an electron in 2s orbital same as of that in 2p orbital? Why?

Description : Is the energy of an electron in 2s orbital same as of that in 2p orbital? Why?

Last Answer : Ans. No, the energy depends upon (n+l) values in an atom. Hence 2p orbital has greater energy than 2s.

Why is s-orbital orbital considered non directional while p-orbital directional?

Description : Why is s-orbital orbital considered non directional while p-orbital directional?

Last Answer : Ans. Electron density in s-orbital is equal in all direction while it dumble shaped along one axis in p- orbitals.

Pyridine is less basic than trimethylamine because the lone-pair of electrons on N-atom in pyridine resides in (a) sp2 hybrid orbital (b) sp hybrid orbital (c) sp3 hybrid orbita(d) p-orbitall

Description : Pyridine is less basic than trimethylamine because the lone-pair of electrons on N-atom in pyridine resides in (a) sp2 hybrid orbital (b) sp hybrid orbital (c) sp3 hybrid orbital (d) p-orbital

Last Answer : sp2 hybrid orbita

Which of the following statements is correct for a saturated alkyl halide? (a) the C–X bond results from overlap of the s orbital of carbon and the p orbital of the halogen (X) (b) the C–X bond results from overlap of the p orbital of carbon and the p orbital of the halogen (X) (c) the C–X bond results from overlap of the sp3 orbital of carbon and the p orbital of the halogen (X) (d) the C–X bond results from overlap of the sp2 orbital of carbon and the p orbital of the halogen (X)

Description : Which of the following statements is correct for a saturated alkyl halide? (a) the C-X bond results from overlap of the s orbital of carbon and the p orbital of the halogen (X) (b) the C-X bond ... the C-X bond results from overlap of the sp2 orbital of carbon and the p orbital of the halogen (X)

Last Answer : the C–X bond results from overlap of the sp3 orbital of carbon and the p orbital of the halogen (X)

The lone-pair electrons of the methyl anion occupy a __________ orbital. (a) s (b) sp (c) sp2 (d) sp3

Description : The lone-pair electrons of the methyl anion occupy a __________ orbital. (a) s (b) sp (c) sp2 (d) sp3

Last Answer : sp3

The orbital angular momemtum quantum number indicates which one of the following? w) the average distance of the electrons from the nucleus x) the direction of spin of the electron y) the shape of the orbital z) the position about the three axes in space of the orbital

Description : The orbital angular momemtum quantum number indicates which one of the following? w) the average distance of the electrons from the nucleus x) the direction of spin of the electron y) the shape of the orbital z) the position about the three axes in space of the orbital 

Last Answer : ANSWER: Y -- THE SHAPE OF THE ORBITAL

In quantum chemistry, a nodal surface: w) gives 99 percent contour surface for an orbital x) exists for a 1s orbital y) has quantum number l = 1 z) is an orbital surface on which the probability density is zero

Description : In quantum chemistry, a nodal surface: w) gives 99 percent contour surface for an orbital x) exists for a 1s orbital y) has quantum number l = 1 z) is an orbital surface on which the probability density is zero

Last Answer : ANSWER: Z -- IS AN ORBITAL SURFACE ON WHICH THE PROBABILITY DENSITY IS ZERO 

Which quantum number indicates the shape of the orbital in which the electron moves?

Description : Which quantum number indicates the shape of the orbital in which the electron moves?

Last Answer : ANSWER: B -- SPIN QUANTUM NUMBER

Which of the following indicates the shape of the orbital in which the electron moves? w) principal quantum number x) spin quantum number y) angular momentum quantum number z) none of these

Description : Which of the following indicates the shape of the orbital in which the electron moves? w) principal quantum number x) spin quantum number y) angular momentum quantum number z) none of these

Last Answer : ANSWER: Y -- ANGULAR MOMENTUM QUANTUM NUMBER

What bond angle is associated with sp2 hybrid orbital

Description : What bond angle is associated with sp2 hybrid orbital 

Last Answer : ANSWER: 120 DEGREES

An orbital for which n=3 and l = 1 (read: ell equa 1) is called a: w) 2d orbital x) 3d orbital y) 3s orbital z) 3p orbital

Description : An orbital for which n=3 and l = 1 (read: ell equa 1) is called a: w) 2d orbital x) 3d orbital y) 3s orbital z) 3p orbital

Last Answer : ANSWER: Z -- 3p ORBITAL

The azimuthal quantum number determines the: w) spin of an electron x) shape of an orbital y) size of an orbital z) energy of an orbital

Description : The azimuthal quantum number determines the: w) spin of an electron x) shape of an orbital y) size of an orbital z) energy of an orbital

Last Answer : ANSWER: X -- SHAPE OF AN ORBITAL 

When considering electron orbitals, which orbital is generally considered spherical?

Description : When considering electron orbitals, which orbital is generally considered spherical?

Last Answer : ANSWER: S ORBITAL

Which of the following is a necessary characteristic for electrons that share an s orbital? w) coplanar spins x) parallel spins y) opposite spins z) none of these

Description : Which of the following is a necessary characteristic for electrons that share an s orbital? w) coplanar spins x) parallel spins y) opposite spins z) none of these

Last Answer : ANSWER: Y -- OPPOSITE SPINS

What is the maximum number of electrons that can occupy an s orbital?

Description : What is the maximum number of electrons that can occupy an s orbital?

Last Answer : ANSWER: TWO